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Angle Gage Block Sets
Catalog No. AG 18.W
Catalog
No.
Grade 
 Number
Blocks
in Set
Material
  Measuring Range
  Blocks included in Set (§)
  Base
Dimensions
of Blocks
AG 6.R
AG 6.C
AG 8.W
Ref
Cal
Work
6
6
8
croblox®
Steel
Steel
   0 to 99° in 1 degree steps
  6 Blocks (in degrees):  
         1°, 3°, 5°, 15°, 30°, and 45°
1" x 2"
1" x 2"
5/8" x 4"
AG 11.R
AG 11.C
AG 13.W
Ref
Cal
Work
11
11
13
croblox® 
Steel
Steel
   0 to 99° in 1 minute steps
  6 Blocks (in degrees): 
         1°, 3°, 5°, 15°, 30°, and 45°
  5 Blocks (in minutes):  
         1', 3', 5', 20', and 30'
1" x 2" 
1" x 2" 
5/8" x 4"
AG 16.R
AG 16.C
AG 18.W
Ref
Cal
Work
16
16
18
croblox®
Steel
Steel
   0 to 99° in 1 second steps
  6 Blocks (in degrees): 
         1°, 3°, 5°, 15°, 30°, and 45° 
  5 Blocks (in minutes): 
         1', 3', 5', 20', and 30'
  5 Blocks (in seconds): 
         1", 3", 5", 20", and 30"
1" x 2" 
1" x 2" 
5/8" x 4"
§:  Working Grade Sets (W) also include a 6-inch parallel and 6-inch Knife Edge.
Individual Angle Gage Block Sizes
Degrees
Minutes 
 Seconds
1.D
3.D
5.D
15.D
30.D
45.D
1.M
 3.M
 5.M
20.M
30.M
1.S
3.S
5.S
20.S
30.S

					
Catalog Numbers for Individual Angle Gage Blocks
PREFIX
SIZE
GRADE
CATALOG NUMBER
AG
1.D
C
AG 1.DC
+
+
=
Grade Designations:
    R = Reference Grade
    C = Calibration Grade
    W = Working Grade
Catalog Number for Parallels and Knife Edges
(Available only in Working Grade)
         Parallel------ Cat No.:      AG 6.PW
         Knife Edge--Cat No.:      AG 6.KEW
True Squares
.
Catalog
No.
Grade 
Material
  Base
Dimensions
of Blocks
TS 21.R
Reference
croblox®
1" x 2"
TS 21.C
Calibration
Steel
1" x 2" 
TS 44.W
Working
Steel
5/8" x 4"
TS 66.W
Working
Steel
5/8" x 6"
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©2008, Webber Gage Division, The L. S. Starrett Co, Cleveland, Ohio , 44145
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